Sequence Similarity : Homologous sequences (>30%) SEQUENCE SIMILARITY (%) 2qu7A 3k1jA 2qu7A 100 100 3k1jA 38 100 FOLD SIMILARITY (Z-SCORE) 2qu7A 3k1jA 2qu7A 49.8 1.7 3k1jA 1.2 53.5